Finding the Third Proportional to 98,428.50 and 152,699.25

Step by Step Solution

1. Step 1: Write the proportion equation
   98,428.50 : 152,699.25 = 152,699.25 : x
2. Step 2: Convert to fraction form
   98,428.50/152,699.25 = 152,699.25/x
3. Step 3: Cross multiply
   98,428.50x = 152,699.25 × 152,699.25
4. Step 4: Simplify right side
   98,428.50x = 23,317,060,950.56
5. Step 5: Solve for x
   x = 23,317,060,950.56/98,428.50
6. Step 6: Final answer
   x = 236,893.39